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All Journal Jurnal Ilmiah Teknik Mesin FLUIDA Jurnal Teknologi dan Riset Terapan (JATRA) Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Jurnal Malikussaleh Mengabdi
Ebeng Sugondo
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Religion Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Pembuatan Biobriket dari Limbah Daun dan Batang Kayu Putih (Malaleuca leucadendron) Guna Memanfaatkan Limbah Hasil Pertanian di Kecamatan Jeruklegi Kabupaten Cilacap Sonya Hakim Raharjo; Fatiha Nur Etnanta; Rosmawati Sipayung; Ebeng Sugondo; Asmaq Yuliah
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol. 5 No. 1 (2023): JPPL, Maret 2023
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v5i1.1762

Abstract

Oil reserves are increasingly decreasing in line with the use of non-renewable fossil fuels. One of the renewable energy sources is biomass. Some of the advantages of biomass briquettes are that they are environmentally friendly, more economical, and have better efficiency than coal briquettes. Eucalyptus leaves and stems (M. leucadendron) are the example of the biomass wastes that can be utilized as raw material for briquettes. The objectives of this research are to : Examine the fabrication of biobriquettes from the waste leaves and stems of eucalyptus (M. leucadendron); Examine the effect of the ratio of eucalyptus leaf and stem waste and adhesive on the characteristics of biobriquettes; Examine the effect of carbonization temperature of eucalyptus leaf and stem waste on the characteristics of biobriquettes; and Examine the effect of carbonization time of eucalyptus leaf and stem waste on the characteristics of biobriquettes. The biobriquettes fabrication process starts with the preparation of raw materials (drying), carbonization of biomass with a furnace, mixing raw materials with tapioca flour as adhesive, molding dough, and drying. Variable 6 with leaves and stems ratio is 5:1, with carbonization temperature of 800°C and carbonization time of an hour produces the best biobriquette product of water content 2.21 % and ash content 25.08%.
ANALISA CYCLIC VOLTAMMETRY GUNA RECOVERY TEMBAGA PADA LIMBAH ELEKTRONIK PRINTED CIRCUIT BOARDS (PCB) MENGGUNAKAN RELINE Sugondo, Ebeng; Wijaya, Andy; Proklamanto, Aan Subekti; Reziana, Fedika Gita; Etnanta, Fatiha Nur
Jurnal Ilmiah Teknik Mesin Vol 11 No 2 (2023): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/jitm.v11i2.7074

Abstract

Cyclic voltammetry analysis for copper recovery on printed circuit boards (PCB) electronic waste using Reline (ChCl: Thiourea) has been successfully carried out. The use of Reline solution (ChCl: Thiourea) is included in the deep eutectic solvent (DES) as an alternative for the use of solvents that are cheap, efficient, and safe for the environment. The solvent is formed from a donor (HBD) and acceptor (HBA) bonds with a ratio of 1 mol: 2 mol to water which will produce a eutectic mixture. The results of XRF (X-ray fluorescence spectrometry) on the printed circuit board (PCB) after comminution obtained the highest element, namely copper at 17.91%, and became the object of research observation. All experiments on the cyclic voltammetry test produced irreversible type voltammograms. The addition of more than 50% water in the deep eutectic solvent (DES) affects the peaks of oxidation and reduction, and in theory, the current efficiency is 99.83% and the optimum test results occur at a temperature of 60 oC for testing the Reline type deep eutectic solvent (DES) solution (ChCl: Thiourea) with a potential of Ep = 4.2975 volts and Ep/2 = 4.2971 volts. SEM-EDX analysis results on a platinum plate (Pt) from deep eutectic solvent (DES) ChCl: Thiourea (Reline) capable of spontaneously depositing copper minerals onto the surface of the platinum plate (Pt). Keywords: Reline, Cyclic Voltammetry, Solvent
Dampak Kondisi Sosial Ekonomi dalam Meningkatkan Potensi Nelayan Tangkap Kabupaten Bintan, Kepulauan Riau Nurhuda, Yusuf; Novebriantika, Novebriantika; Sugondo, Ebeng; Silalahi, Meschac Timothee; Wijayanti, Ita; Fajrin, Aulia; Saihilmi, Muhammad Irsyad; Perkasa, Veryawan Nanda
Jurnal Malikussaleh Mengabdi Vol. 4 No. 1 (2025): Jurnal Malikussaleh Mengabdi, April 2025
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jmm.v4i1.21806

Abstract

Salah satu potensi alam Indonesia yang sangat besar adalah sumberdaya kelautan dan perikanan. Sumberdaya kelautan merupakan salah satu aset pembangunan yang penting dan memiliki peluang sangat besar untuk dijadikan sebagai sumber pertumbuhan perekonomian. Saat ini sektor kelautan dan perikanan di Kabupaten Bintan memiliki potensi pembangunan ekonomi yang sangat besar dan beragam. Kabupaten Bintan merupakan salah satu kabupaten di Provinsi Kepulauan Riau yang memiliki setidaknya 240 pulau-pulau kecil serta memiliki sumber daya pesisir dan laut yang sangat potensial. Penulisan ini bertujuan untuk menganalisa kondisi kehidupan nelayan tangkap Kabupaten Bintan dari aspek sosial, ekonomi serta mengidentifikasi bentuk-bentuk program pemberdayaan yang diberikan oleh pemerintah beserta hambatan yang terjadi dalam pelaksanaan program. Metode pengumpulan data yang digunakan dalam penelitian ini yaitu dengan menggunakan metode deskriptif dengan pendekatan kualitatif. Sumber data yang diambil merupakan data dari Badan Pusat Statistik Kabupaten Bintan Kepulauan Riau. Program pemberdayaan diharap dapat digunakan sebagai penunjang utama sebagai layanan dalam meningkatkan potensi dalam upaya peningkatan ekonomi dan sosial pada nelayan tangkap. Beberapa program merupakan upaya dalam meningkatkan program layanan pemberdayaan nelayan tangkap di Kabupaten Bintan. Selain itu juga diperlukanya komitmen untuk meningkatkan potensi serta dampak dari kegiatan program pemberdayaan untuk nelayan tangkap dalam upaya meningkatkan perekonomian masyarakat di Kabupaten Bintan Kepulauan Riau.
Studi Kasus Kualitas Pengelasan Pada Material A694 F65 Overlay Inconel 625 Claded Menggunakan Metode Kombinasi Gtaw & Smaw Sugondo, Ebeng; Purba, Adi Syahputra; Kms M Avrieldi; Ismiyatun Nurjannah
Jurnal Teknologi Dan Riset Terapan (JATRA) Vol. 7 No. 2 (2025): Jurnal Teknologi dan Riset Terapan (JATRA) - December 2025
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jatra.v7i2.10531

Abstract

Welding is a method of connecting metal that involves melting a portion of the parent and filler metals until they are liquid enough to fuse. Nowadays, welding is becoming more and more common, particularly in the oil and gas sector. Combining GTAW with SMAW techniques is one of them. Because it can create robust and corrosion-resistant joints, the oil and gas industry frequently uses the combination of GTAW and SMAW welding techniques. The welding procedure on ASTM A694/F65 material covered with Inconel 625 will be covered in this study. While Inconel 625 is resistant to corrosion and stress cracking, A694/F65 steel will offer toughness for applications with low temperature field circumstances. The benefits of the various welding techniques are strategically integrated by this combination of welding procedures. While SMAW delivers great mechanical strength and filling efficiency for the fill to cap weld portions, GTAW will offer superior penetration and surface cleanliness on the root weld. The results of the tests, which included visual inspection, Magnetic Particle Inspection (MPI), and Ultrasonic Testing (UT), demonstrated that no evidence of serious flaws exceeding the acceptance criteria of the cited standards AWS D1.1:2025 for MPI and ASME Section VIII Div. 1 Appendix 12 for UT was discovered. It is anticipated that the study will serve as a guide for the welding procedure on gas and oil pipes.
Utilization of Agricultural Waste from Brebeg Cilacap Village Become Biogas Using Cow Manure Rosmawati Sipayung; Sonya H. Raharjo; Ebeng Sugondo; Anisa Aprilia
Fluida Vol. 16 No. 1 (2023): FLUIDA
Publisher : Department of Chemical Engineering, Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/fluida.v16i1.4697

Abstract

Straw is one of the most prevalent agricultural wastes in Indonesia, particularly in Cilacap Regency. One hectare of rice fields can yield 7–10 tons of dried straw every growing season. In addition, cow dung in Brebeg Village has not been utilized optimally. Cow dung and straw can be utilized as an alternative energy, one of which is biogas. Biogas is produced through anaerobic fermentation in a biodigester. Methanogenic bacteria first convert straw and cow manure in the biodigester into gas, which is subsequently produced as a high concentration of methane. This technology can be easily applied especially for farmers and ranchers. These experiments were carried out by varying the ratio of cow dung, straw, distilled water, and the percentage of EM-4 bacteria with fermentation for 30 days in each variation. Based on the result, it is known that factors affecting biogas production are ratio of substrate, temperature, pH, and microorganisms. The best biogas is produced with a cow dung, straw, and distilled water ratio of 8:1:2 and 10% EM-4 bacteria with a flash time of 71-seconds and a blue flame. Although a particular sort of plastic is used in this laboratory-scale investigation to make it more efficient, it is prone to leaking. It is advised to use a fixed dome style of storage while scaling up the digester
Co-Authors Adi Syahputra Purba Andy Wijaya Anisa Aprilia Asmaq Yuliah Etnanta, Fatiha Nur Fajrin, Aulia Fatiha Nur Etnanta Ismiyatun Nurjannah Ita Wijayanti Kms M Avrieldi Novebriantika, Novebriantika Proklamanto, Aan Subekti Reziana, Fedika Gita Rosmawati Sipayung Saihilmi, Muhammad Irsyad Sonya H. Raharjo Sonya Hakim Raharjo Veryawan Nanda Perkasa Yusuf Nurhuda